Portage County Ohio (Historic Districts) has 7 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Kent Industrial District and Mantua Center District, Aurora Center Historic District, Cottage Hill Farm and East Main Street Historic District.
The famous person Daniel Pomeroy et al. Rhodes is associated with one of more of the Portage County historic places. Prominent architectural styles found in Portage Country are Greek Revival, Late Victorian and Mid 19th Century Revival.